Key rack



FIG. 1 is a perspective view of a key rack showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken-line disclosure in the views is understood to represent unclaimed portions of the article in which the claimed design is embodied. 

The ornamental design for a key rack, as shown and described. 